<!--
 * @由于个人水平有限, 难免有些错误, 还请指点:  
 * @Author: cpu_code
 * @Date: 2020-10-20 21:21:34
 * @LastEditTime: 2020-10-20 21:30:22
 * @FilePath: \web\javascript\DOM_control_style\DOM_control_style.html
 * @Gitee: [https://gitee.com/cpu_code](https://gitee.com/cpu_code)
 * @Github: [https://github.com/CPU-Code](https://github.com/CPU-Code)
 * @CSDN: [https://blog.csdn.net/qq_44226094](https://blog.csdn.net/qq_44226094)
 * @Gitbook: [https://923992029.gitbook.io/cpucode/](https://923992029.gitbook.io/cpucode/)
-->
<!DOCTYPE html>
<html lang="ch">
    <head>
        <meta charset="UTF-8">
        <title>控制样式</title>


        <style>
            .d1{
                border: 1px solid yellow;
                width: 100px;
                height: 100px;
            }

            .d2{
                border: 1px solid blue;
                width: 200px;
                height: 200px;
            }
        </style>
    </head>

    <body>
        <div id="div1">
            div1
        </div>

        <div id="div2">
            div2
        </div>

        <script>
            var div1 = document.getElementById("div1");

            div1.onclick = function() {
                //修改样式方式1
                div1.style.border = "1px solid red";
                div1.style.width = "200px";
                //font-size--> fontSize
                div1.style.fontSize = "20px";
            }

            var div2 = document.getElementById("div2");
            div2.onclick = function(){
                div2.className = "d1";
            }
        </script>
    </body>
</html>